mirror of
https://github.com/lunarmodules/luasocket.git
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58096449c6
Implemented new distribution scheme. Select is now purely C. HTTP reimplemented seems faster dunno why. LTN12 functions that coroutines fail gracefully.
58 lines
2.0 KiB
Lua
58 lines
2.0 KiB
Lua
-- load the smtp support and its friends
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local smtp = require("smtp")
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local mime = require("mime")
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local ltn12 = require("ltn12")
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-- creates a source to send a message with two parts. The first part is
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-- plain text, the second part is a PNG image, encoded as base64.
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source = smtp.message{
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headers = {
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-- Remember that headers are *ignored* by smtp.send.
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from = "Sicrano <sicrano@tecgraf.puc-rio.br>",
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to = "Fulano <fulano@tecgraf.puc-rio.br>",
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subject = "Here is a message with attachments"
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},
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body = {
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preamble = "If your client doesn't understand attachments, \r\n" ..
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"it will still display the preamble and the epilogue.\r\n",
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"Preamble might show up even in a MIME enabled client.",
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-- first part: No headers means plain text, us-ascii.
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-- The mime.eol low-level filter normalizes end-of-line markers.
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[1] = {
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body = mime.eol(0, [[
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Lines in a message body should always end with CRLF.
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The smtp module will *NOT* perform translation. It will
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perform necessary stuffing, though.
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]])
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},
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-- second part: Headers describe content the to be an image,
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-- sent under the base64 transfer content encoding.
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-- Notice that nothing happens until the message is sent. Small
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-- chunks are loaded into memory and translation happens on the fly.
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[2] = {
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headers = {
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["content-type"] = 'image/png; name="image.png"',
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["content-disposition"] = 'attachment; filename="image.png"',
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["content-description"] = 'a beautiful image',
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["content-transfer-encoding"] = "BASE64"
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},
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body = ltn12.source.chain(
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ltn12.source.file(io.open("image.png", "rb")),
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ltn12.filter.chain(
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mime.encode("base64"),
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mime.wrap()
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)
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)
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},
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epilogue = "This might also show up, but after the attachments"
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}
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}
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-- finally send it
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r, e = smtp.send{
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rcpt = "<diego@cs.princeton.edu>",
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from = "<diego@cs.princeton.edu>",
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source = source,
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server = "mail.cs.princeton.edu"
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}
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